Table 2.

Multivariable linear regression model predicting length of stay in inpatient rehabilitation among patients in inpatient rehabilitation for a TBI within one year of acute care discharge by sex: Ontario, Canada, 2008/09 – 2011/12.

All Variables	Males (N=1,194) R2= 41.0% Adjusted R2=40.5%					Females (N=505) R2= 34.2% Adjusted R2= 33.3%
	Parameter Estimate	SE	95% Confidence Limits		p	Parameter Estimate	SE	95% Confidence Limits		p
PREDISPOSING FACTORS
Older adults (65+ years)	−0.148	0.042	−0.231	−0.065	0.001	−0.167	0.069	−0.301	−0.032	0.016
NEED FACTORS
Acute Care LOS (excluding ALC days) (days)	0.006	0.001	0.003	0.008	<.0001	0.004	0.002	0.0003	0.008	0.035
Alternate level of care days (days)	0.007	0.001	0.004	0.009	<.0001	0.006	0.003	0.001	0.011	0.027
FIM™ motor; admission	−0.005	0.001	−0.007	−0.003	<.0001	−0.010	0.002	−0.013	−0.007	<.0001
FIM™ cognition; admission	−0.041	0.003	−0.047	−0.034	<.0001	−0.030	0.005	−0.039	−0.021	<.0001
Rehabilitation client grouping (TBI)	0.110	0.054	0.005	0.216	0.041
Admission delay (days)	0.002	0.001	0.001	0.003	<.0001
Special care days	0.003	0.001	0.001	0.005	0.002
ENABLING FACTORS
Motor vehicle collision	0.103	0.042	0.021	0.185	0.014	0.201	0.065	0.073	0.328	0.002
Informal Support: Not required vs. required & received (ref)	−0.185	0.061	−0.303	−0.066	0.002
English language						−0.261	0.076	−0.410	−0.112	0.001

Abbreviations: ALC: Alternate Level of Care; FIM™: Functional Independence Measure; LOS: length of stay; TBI: traumatic brain injury